TLDR Search

Enter a command. For example: qlmanage, pmset, safeejectgpu.

sysctl

Access kernel state information. More information: https://ss64.com/osx/sysctl.html.

• Show all available variables and their values:
   
  sysctl -a
   
• Show Apple model identifier:
   
  sysctl -n hw.model
   
• Show CPU model:
   
  sysctl -n machdep.cpu.brand_string
   
• Show available CPU features (MMX, SSE, SSE2, SSE3, AES, etc):
   
  sysctl -n machdep.cpu.features
   
• Set a changeable kernel state variable:
   
  sysctl -w {{section.tunable}}={{value}}